Drinking water barrel cover sealing connector

The invention relates to a sealing component for connecting a water dispenser and a matched drinking water barrel for drinking water, in particular to a drinking water barrel cover sealing connector. Through the drinking water barrel cover sealing connector, water in the drinking water barrel can directly flow into the water dispenser. The connector is a component product suitable for the old-product-to-new-product transition period in which the water dispensers sold in the existing market are replaced by integrated sealed aseptic water dispensers invented by the applicant. According to the technical scheme, the drinking water barrel cover sealing connector is composed of a sealing gasket, a leading-out water pipe device and a sealing cover, wherein the leading-out water pipe device is arranged in the sealing cover, the sealing gasket is arranged on the side, with a round ring, of the leading-out water pipe device, when the sealing cover is spirally connected with a thread lantern ring, the sealing cover turns when being turned, the leading-out water pipe device moves towards a drinking water barrel cover till the end face of the leading-out water pipe device punctures the drinking water barrel cover. The water dispenser can be connected with the drinking water barrel in a sealed mode. Please see the figures.